May weather forecast
Allen Junction, PA

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Weather in May

The last month of the spring, May, is a pleasant month in Allen Junction, Pennsylvania, with temperature in the range of an average high of 69.6°F (20.9°C) and an average low of 50.5°F (10.3°C).

Temperature

May shows a rise in the average high-temperature, moving from April's refreshing 58.6°F (14.8°C) to an agreeable 69.6°F (20.9°C). In Allen Junction, the expected average low-temperature for May is a cool 50.5°F (10.3°C).

Humidity

In Allen Junction, the average relative humidity in May is 79%.

Rainfall

In Allen Junction, in May, it is raining for 17.8 days, with typically 2.72" (69mm) of accumulated precipitation. Throughout the year, there are 153 rainfall days, and 26.81" (681mm) of precipitation is accumulated.

Snowfall

Months with snowfall in Allen Junction, Pennsylvania, are January through May, October through December. May is the last month it regularly snows in Allen Junction. During 0.1 snowfall days, in May, Allen Junction aggregates 0.12" (3mm) of snow. Throughout the year, there are 26.7 snowfall days, and 14.49" (368mm) of snow is accumulated.

Daylight

In May, the average length of the day is 14h and 28min.
On the first day of May, sunrise is at 5:59 am and sunset at 7:57 pm. On the last day of the month, sunrise is at 5:32 am and sunset at 8:25 pm EDT.

Sunshine

In May, the average sunshine is 8.3h.

UV index

May through July, with an average maximum UV index of 6, are months with the highest UV index. A UV Index estimate of 6 to 7 represents a high health vulnerability from unsafe exposure to UV radiation for average individuals.
Note: The maximum UV index, 6 during May, leads to the following recommendations:
Exercise precautions and adapt sun safety practices. Defence against skin and eye affliction is paramount. The Sun's UV radiation is most intense from 10 a.m. to 4 p.m. Try to avoid direct sun exposure during these hours. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes. Be attentive! The reflective property of snow can nearly double the Sun's UV radiation.
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Frequently asked questions

What are the temperatures in Allen Junction in May?

The average high-temperature and low-temperature in Allen Junction during May are 69.6°F (20.9°C) and 50.5°F (10.3°C) respectively.

What is the average humidity in May in Allen Junction?

The average relative humidity in May is 79%.

How much does it rain in Allen Junction in May?

In Allen Junction, Pennsylvania, in May, during 17.8 rainfall days, 2.72" (69mm) of precipitation is typically accumulated.

What is the last month it snows in Allen Junction?

May is the last month it regularly snows. During 0.1 snowfall days, in May, Allen Junction aggregates 0.12" (3mm) of snow.

What is the average length of the day in May in Allen Junction?

The average day length in May is 14h and 28min.

What time are sunrise and sunset in May in Allen Junction?

On the first day of May in Allen Junction, Pennsylvania, sunrise is at 5:59 am and sunset at 7:57 pm. On the last day of the month, sunrise is at 5:32 am and sunset at 8:25 pm EDT.

How many hours of sunshine does Allen Junction have in May?

In May, the average sunshine duration is 8.3h.

What are the months with the highest UV index in Allen Junction?

May through July, with an average maximum UV index of 6, are months with the highest UV index in Allen Junction.

What is the UV index reading in May in Allen Junction?

The average daily maximum UV index in May in Allen Junction is 6. A UV Index estimate of 6 to 7 represents a high health risk from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Allen Junction, PA

Average temperature in May - Allen Junction, PA
  • Average high temperature in May: 69.6°F

The warmest month (with the highest average high temperature) is July (83.5°F).
The month with the lowest average high temperature is January (34°F).

  • Average low temperature in May: 50.5°F

The month with the highest average low temperature is July (63.5°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).

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Average pressure in May
Allen Junction, PA

Average pressure in May - Allen Junction, PA
  • Average pressure in May: 30.01"Hg

The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

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Average wind speed in May
Allen Junction, PA

Average wind speed in May - Allen Junction, PA
  • Average wind speed in May: 6.2mph

The windiest month (with the highest average wind speed) is March (8.1mph).
The calmest month (with the lowest average wind speed) is August (5mph).

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Average humidity in May
Allen Junction, PA

Average humidity in May - Allen Junction, PA
  • Average humidity in May: 79%

The month with the highest relative humidity is February (82%).
The months with the lowest relative humidity are April and July (76%).

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Average rainfall in May
Allen Junction, PA

Average rainfall in May - Allen Junction, PA
  • Average rainfall in May: 2.72"

The wettest month (with the highest rainfall) is July (2.91").
The driest month (with the least rainfall) is September (1.57").

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Average rainfall days in May
Allen Junction, PA

Average rainfall days in May - Allen Junction, PA
  • Average rainfall days in May: 17.8 days

The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is January (7.8 days).

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Average snowfall in May
Allen Junction, PA

Average snowfall in May - Allen Junction, PA
  • Average snowfall in May: 0.12"

The month with the highest snowfall is March (4.13").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in May
Allen Junction, PA

Average snowfall days in May - Allen Junction, PA
  • Average snowfall days in May: 0.1 days

The months with the highest number of snowfall days are January and February (7.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in May /
Average sunshine in May
Allen Junction, PA

Average daylight in May / Average sunshine in May - Allen Junction, PA
  • Average daylight in May: 14h and 3min

The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).

  • Average sunshine in May: 8h and 2min

The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).

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Average sunshine days in May
Allen Junction, PA

Average sunshine days in May - Allen Junction, PA
  • Average sunshine days in May: 11 days

The month with the most sunshine days is November (18.9 days).
The month with the least sunshine days is May (11 days).

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Average UV index in May
Allen Junction, PA

Average UV index in May - Allen Junction, PA
  • Average UV index in May: 6

The months with the highest UV index are May, June and July (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).

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Average cloud cover in May
Allen Junction, PA

Average cloud cover in May - Allen Junction, PA
  • Average cloud cover in May: 48

The month with the most cloud cover is February (Cloud cover 51).
The month with the least cloud cover is July (Cloud cover 34).

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Average visibility in May
Allen Junction, PA

Average visibility in May - Allen Junction, PA
  • Average visibility in May: 5mi

The months with the highest visibility are April, June and November (6mi).
The months with the lowest visibility are January, February, March, May, July, August, September, October and December (5mi).

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Allen Junction, Pennsylvania, USA

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